1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2019 Cadence Design Systems Inc. */
4 #ifndef _ASM_XTENSA_CORE_H
5 #define _ASM_XTENSA_CORE_H
7 #include <variant/core.h>
9 #ifndef XCHAL_HAVE_DIV32
10 #define XCHAL_HAVE_DIV32 0
13 #ifndef XCHAL_HAVE_EXCLUSIVE
14 #define XCHAL_HAVE_EXCLUSIVE 0
17 #ifndef XCHAL_HAVE_EXTERN_REGS
18 #define XCHAL_HAVE_EXTERN_REGS 0
21 #ifndef XCHAL_HAVE_MPU
22 #define XCHAL_HAVE_MPU 0
25 #ifndef XCHAL_HAVE_VECBASE
26 #define XCHAL_HAVE_VECBASE 0
29 #ifndef XCHAL_SPANNING_WAY
30 #define XCHAL_SPANNING_WAY 0
33 #ifndef XCHAL_HAVE_TRAX
34 #define XCHAL_HAVE_TRAX 0
37 #ifndef XCHAL_NUM_PERF_COUNTERS
38 #define XCHAL_NUM_PERF_COUNTERS 0
41 #if XCHAL_HAVE_WINDOWED
42 #if defined(CONFIG_USER_ABI_DEFAULT) || defined(CONFIG_USER_ABI_CALL0_PROBE)
43 /* Whether windowed ABI is supported in userspace. */
44 #define USER_SUPPORT_WINDOWED
46 #if defined(__XTENSA_WINDOWED_ABI__) || defined(USER_SUPPORT_WINDOWED)
47 /* Whether windowed ABI is supported either in userspace or in the kernel. */
48 #define SUPPORT_WINDOWED
52 /* Xtensa ABI requires stack alignment to be at least 16 */
53 #if XCHAL_DATA_WIDTH > 16
54 #define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH
56 #define XTENSA_STACK_ALIGNMENT 16
59 #ifndef XCHAL_HW_MIN_VERSION
60 #if defined(XCHAL_HW_MIN_VERSION_MAJOR) && defined(XCHAL_HW_MIN_VERSION_MINOR)
61 #define XCHAL_HW_MIN_VERSION (XCHAL_HW_MIN_VERSION_MAJOR * 100 + \
62 XCHAL_HW_MIN_VERSION_MINOR)
64 #define XCHAL_HW_MIN_VERSION 0